/**
 * Copyright (c) 2011 Alexander De Leon Battista
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package es.upm.oeg.presto.representation;

import java.io.OutputStream;

import net.xeoh.plugins.base.annotations.PluginImplementation;
import net.xeoh.plugins.base.annotations.injections.InjectPlugin;

import org.restlet.data.MediaType;

import com.hp.hpl.jena.rdf.model.Model;

import es.upm.oeg.presto.api.DataAcccessAPI;
import es.upm.oeg.presto.api.RepresentationAPI;

/**
 * @author Alexander De Leon
 */
@PluginImplementation
public class RdfXmlRepresentation implements RepresentationAPI {

	@InjectPlugin
	public DataAcccessAPI dataAccess;

	@Override
	public MediaType getMediaType() {
		return MediaType.APPLICATION_RDF_XML;
	}

	@Override
	public String getShortName() {
		return "rdf";
	}

	@Override
	public boolean isRepresentable(String uri) {
		// everything is representable in RDF
		return true;
	}

	@Override
	public boolean hasData(String uri) {
		return dataAccess.exists(uri);
	}

	@Override
	public void writeRepresentation(String uri, OutputStream out) {
		Model model = dataAccess.describe(uri);
		model.write(out, "RDF/XML");
	}

}
